JP2014153071A - Concrete strength control method for concrete structure and control device thereof - Google Patents

Concrete strength control method for concrete structure and control device thereof Download PDF

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JP2014153071A
JP2014153071A JP2013020303A JP2013020303A JP2014153071A JP 2014153071 A JP2014153071 A JP 2014153071A JP 2013020303 A JP2013020303 A JP 2013020303A JP 2013020303 A JP2013020303 A JP 2013020303A JP 2014153071 A JP2014153071 A JP 2014153071A
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concrete
control device
temperature
mold
concrete strength
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JP6126854B2 (en
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Munehiro Umemoto
宗宏 梅本
Shigemi Kikuta
繁美 菊田
Yasuhiro Ido
康浩 井戸
Naoto Hata
直人 端
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Toda Corp
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Abstract

PROBLEM TO BE SOLVED: To provide a concrete strength control device for a concrete structure.SOLUTION: The concrete strength control device includes: a mold form surrounding an actual structuring member 2 of a structure to be formed by placing concrete at a construction site; a heat insulator surrounding a part of the actual structuring member 2 protruding from the mold form; a heater provided inside the mold form to be used while connected to a control device 6 for controlling temperature; a temperature sensor 7 installed inside the mold form for detecting a temperature in the mold form to be connected to the control device; the control device to be connected to the heater and the temperature sensor for controlling temperature history of the actual structuring member 2; a mold form surrounding a simulation member 8; a heat insulator surrounding the mold form for the simulation member 8, a heater attached to the mold form for the simulation member to be connected to the control device; and a temperature sensor partially buried in the simulation member 8 for detecting a temperature of the simulation member 8 to be connected to the control device.

Description

本発明は、コンクリート構造体で、特に設計基準強度Ｆｃ＝２００Ｎ／mm２級のコンクリート構造体のコンクリート強度管理方法と、その管理方法に使用する管理装置に関するものである。 The present invention relates to a concrete strength management method for a concrete structure, in particular, a concrete structure having a design standard strength Fc = 200 N / mm 2 class, and a management apparatus used for the management method.

従来、高強度若しくは超高強度コンクリート構造体のコンクリート強度管理方法としては、例えば、設計基準強度Ｆｃ＝１５０Ｎ／mm２級の高強度コンクリート程度までにおいては、高温・蒸気養生せずにそのまま外気で養生を行うため、あらかじめ実験による構造体コンクリートと円柱供試体の強度補正値を求める必要がある。 Conventionally, as a concrete strength management method for a high-strength or ultra-high-strength concrete structure, for example, up to about a high-strength concrete having a design standard strength Fc = 150 N / mm 2 class, it is possible to use the outside air as it is without high temperature / steam curing. In order to perform curing, it is necessary to obtain in advance strength correction values for structural concrete and cylindrical specimens by experiments.

また、供試体を簡易熱断熱等の方法で、コンクリート構造体の温度履歴を模擬する養生が提案されている（特許文献１、２参照）が、コアと円柱供試体との強度差を実験的に求める必要がある。   Moreover, the curing which simulates the temperature history of a concrete structure by a method such as simple thermal insulation of the specimen has been proposed (see Patent Documents 1 and 2), but the difference in strength between the core and the cylindrical specimen is experimentally examined. It is necessary to ask for.

更に、超高強度コンクリートの強度発現を促すために、蒸気養生したプレキャスト部材は実用化されているが、Ｆｃ＝２００Ｎ／mm２級の超高強度コンクリートの場合には現場打ちで実現されていない。 Furthermore, in order to promote the strength development of ultra-high-strength concrete, steam-cured precast members have been put into practical use, but in the case of ultra-high-strength concrete with Fc = 200 N / mm 2 class, it has not been realized on-site. .

特開２００４−２９４１４１号公報JP 2004-294141 A 特開２００６−１１８９９６号公報JP 2006-118996 A

このように、従来のコンクリート構造体のコンクリート強度管理方法においては、超高強度コンクリートにおけるコンクリート強度管理を円柱供試体で行うには、実験による補正値の算定が必要である。また、プレキャスト化して実用化するには手間が掛かり実体に則した強度管理とは言えない方法である。本発明に係るコンクリート構造体のコンクリート強度管理方法とその管理装置は、このような課題を解決するために提案されたものである。   As described above, in the conventional concrete strength management method for a concrete structure, in order to perform the concrete strength management in the ultra-high strength concrete with the cylindrical specimen, it is necessary to calculate a correction value by an experiment. In addition, it is a method that cannot be said to be strength management according to the substance because it takes time and effort to make it precast and put it to practical use. The concrete strength management method and management apparatus for a concrete structure according to the present invention have been proposed in order to solve such problems.

本発明に係るコンクリート構造体のコンクリート強度管理装置の上記課題を解決して目的を達成するための要旨は、コンクリート構造体におけるコンクリート強度を管理する装置であって、建設現場でコンクリート打設されて形成される構造体の実構成部材を囲繞する型枠と、前記型枠および型枠から突出した前記実構成部材の一部を囲繞する断熱材と、前記型枠に設けられ温度管理用に制御装置に接続されて使用される加熱装置と、前記型枠内の温度を検知するため前記型枠内に設置されるとともに制御装置に接続される温度センサーと、前記加熱装置と前記温度センサーとに接続され実構成部材の温度履歴を管理する制御装置と、模擬部材を囲繞する型枠と、前記模擬部材用の型枠を囲繞する断熱材と、前記模擬部材用の型枠に貼着されるとともに前記制御装置に接続される加熱装置と、前記模擬部材の温度を検知するために当該模擬部材の中に一部が埋設されるとともに前記制御装置に接続される温度センサーとから構成され、前記実構成部材の温度履歴に従って前記制御装置により前記模擬部材を養生することである。   The gist of the concrete strength management device for a concrete structure according to the present invention to solve the above-mentioned problems and achieve the object is a device for managing the concrete strength in the concrete structure, which is placed at the construction site. A mold that surrounds the actual component of the structure to be formed, a heat insulating material that surrounds the mold and a part of the actual component that protrudes from the mold, and a temperature control provided on the mold A heating device connected to a device, a temperature sensor installed in the mold for detecting the temperature in the mold and connected to a control device, and the heating device and the temperature sensor. A control device that manages the temperature history of the connected actual component members, a mold that surrounds the simulated member, a heat insulating material that surrounds the mold for the simulated member, and a mold for the simulated member. And a heating device connected to the control device, and a temperature sensor partially embedded in the simulation member to detect the temperature of the simulation member and connected to the control device, The simulation member is cured by the control device in accordance with the temperature history of the actual component member.

前記加熱装置は、高温養生が可能となるパネルヒーターであることを含む。
また、前記実構成部材は、梁型枠およびスラブ型枠が柱梁接合部に設置されていない状態の柱部材であることである。 The heating device includes a panel heater that enables high-temperature curing.
Moreover, the said actual structural member is a column member in the state in which the beam form frame and the slab form frame are not installed in the column beam joint.

本発明に係るコンクリート構造体のコンクリート強度管理方法の上記課題を解決して目的を達成するための要旨は、前記コンクリート強度管理装置を形成し、実構成部材の温度履歴の通りに制御装置によって模擬部材を養生して、前記模擬部材を実構成部材と同じ養生条件にしてコンクリート強度を発現させることである。   The gist for solving the above-mentioned problems of the concrete strength management method for a concrete structure according to the present invention and achieving the object is to form the concrete strength management device and simulate it by the control device according to the temperature history of the actual component members. The member is cured, and the simulated member is brought into the same curing condition as the actual component member to develop the concrete strength.

本発明のコンクリート構造体のコンクリート強度管理方法とその管理装置によれば、実構成部材の温度履歴を直接、コンクリート強度管理用の模擬部材に与えるので、実構造部材と模擬部材とのコンクリート強度が等しくなる。これにより、強度補正値による補正などの手間が掛からなくなる。また、直接コア強度を試験するので、強度確保の信頼性が向上する。加熱装置をパネルヒーターとすることで、高温養生が可能となり現場打ち込みが可能となると言う優れた効果を奏するものである。   According to the concrete strength management method and management apparatus for a concrete structure of the present invention, the temperature history of the actual component member is directly given to the simulated member for concrete strength management, so that the concrete strength between the actual structure member and the simulated member is Will be equal. This eliminates the trouble of correction by the intensity correction value. Further, since the core strength is directly tested, the reliability of securing the strength is improved. By using a panel heater as the heating device, an excellent effect is achieved that high temperature curing is possible and field driving is possible.

本発明に係るコンクリート構造体のコンクリート強度管理装置１における、実構成部材２を養生する様子を示す斜視図である。It is a perspective view which shows a mode that the actual structural member 2 is cured in the concrete strength management apparatus 1 of the concrete structure which concerns on this invention. 同本発明のコンクリート構造体のコンクリート強度管装置１における、図１の断面１で示す位置の断面図（Ａ）、同じく断面２で示す位置の断面図（Ｂ）、同じく断面３で示す位置の断面図（Ｃ）である。In the concrete strength pipe device 1 of the concrete structure of the present invention, a sectional view (A) at a position indicated by a section 1 in FIG. 1, a sectional view (B) at a position indicated by a section 2, and a position indicated by a section 3. It is sectional drawing (C). 同本発明のコンクリート構造体のコンクリート強度管装置１における、模擬部材８を養生する様子を示す斜視図である。It is a perspective view which shows a mode that the simulation member 8 is cured in the concrete strength pipe apparatus 1 of the concrete structure of the same invention. 同本発明のコンクリート構造体のコンクリート強度管装置１における、図３の断面１で示す位置および断面３で示す位置の断面図（Ａ）、同じく断面２で示す位置の断面図（Ｂ）である。FIG. 4 is a cross-sectional view (A) of the position shown by cross-section 1 and the cross-section 3 of FIG. . 同本発明のコンクリート構造体のコンクリート強度管装置１の全体構成図である。It is a whole block diagram of the concrete strength pipe apparatus 1 of the concrete structure of the same invention. 同コンクリート構造体のコンクリート強度管理方法における、加熱養生の手順を示すフロー図である。It is a flowchart which shows the procedure of the heat curing in the concrete strength management method of the concrete structure. 養生温度とコア強度との関係を示す説明図（Ａ）、材齢と圧縮強度との関係を示す説明図（Ｂ）である。It is explanatory drawing (A) which shows the relationship between curing temperature and core intensity | strength, and explanatory drawing (B) which shows the relationship between age and compressive strength. 模擬部材８と実構成部材２である柱とのコア強度の関係を示す説明図である。It is explanatory drawing which shows the relationship of the core strength of the simulation member 8 and the pillar which is the actual structural member 2.

本発明に係るコンクリート構造体のコンクリート強度管理方法とその管理装置は、図５に示すように、実構成部材（柱）２の温度履歴を直接、模擬部材８に与えるようにするものである。   As shown in FIG. 5, the concrete strength management method and its management apparatus for a concrete structure according to the present invention directly gives the temperature history of the actual component (column) 2 to the simulation member 8.

本発明に係るコンクリート構造体のコンクリート強度管理装置１は、コンクリート構造体におけるコンクリート強度を管理する装置であって、図１と図５とに示すように、建設現場でコンクリート打設されて形成される構造体である、例えば、柱の実構成部材２を囲繞する型枠３と、前記型枠３および該型枠３から突出した前記実構成部材２の一部である柱主筋２ａを囲繞する断熱材４，４ａと、前記型枠３の外側表面に貼着されて設けられ温度管理用に制御装置６に接続されて使用される加熱装置５と、前記型枠３内の温度を検知するため前記型枠３内に設置されるとともに制御装置６に接続される温度センサー７と、前記加熱装置５と前記温度センサー７とに接続され実構成部材２の温度履歴を管理する制御装置６とがある。   A concrete strength management device 1 for a concrete structure according to the present invention is a device for managing the concrete strength in a concrete structure, and is formed by placing concrete at a construction site as shown in FIGS. For example, the mold 3 surrounding the actual component 2 of the column, and the column main reinforcement 2a that is part of the actual component 2 protruding from the mold 3 and the mold 3 are surrounded. Insulating materials 4, 4 a, a heating device 5 attached to the outer surface of the mold 3 and connected to the control device 6 for temperature management, and a temperature in the mold 3 are detected. Therefore, a temperature sensor 7 installed in the mold 3 and connected to the control device 6, a control device 6 connected to the heating device 5 and the temperature sensor 7 and managing the temperature history of the actual component 2, There is.

更に、図３と図５とに示すように、コンクリート製の模擬部材８を囲繞する型枠３と、前記模擬部材８用の型枠３を囲繞する断熱材４，４ａと、前記模擬部材８用の型枠３に貼着されるとともに前記制御装置６に接続される加熱装置５と、前記模擬部材８の温度を検知するために当該模擬部材８の中に一部が埋設されるとともに前記制御装置６に接続される温度センサー７とから構成される。   Further, as shown in FIGS. 3 and 5, the mold 3 surrounding the concrete simulation member 8, the heat insulating materials 4, 4 a surrounding the mold 3 for the simulation member 8, and the simulation member 8. And a heating device 5 that is attached to the mold 3 and connected to the control device 6, and a part of the simulation member 8 is embedded in the simulation member 8 in order to detect the temperature of the simulation member 8. And a temperature sensor 7 connected to the control device 6.

上記各構成部材について説明する。まず、図１と、図５の図中左側とにおいて示す実構成部材２側の養生装置に関して説明する。前記コンクリート構造物の実構成部材とは、柱２である。コンクリート構造体として高温蒸気養生ができる対象として適切で扱いやすいからである。この実構成部材である柱２は、梁型枠およびスラブ型枠が柱梁接合部に設置されていない状態の柱部材である。   Each said structural member is demonstrated. First, the curing device on the actual component 2 side shown in FIG. 1 and the left side in FIG. 5 will be described. The actual structural member of the concrete structure is the pillar 2. This is because the concrete structure is suitable and easy to handle as a target capable of high temperature steam curing. The pillar 2, which is an actual constituent member, is a pillar member in a state where the beam form frame and the slab form frame are not installed at the column beam joint.

また、前記型枠３は鋼製型枠である。該鋼製型枠３は、コンクリート構造体の柱２の全体（上部を除く）を被覆する。この鋼製型枠３の柱脚付近の４面には、加熱養生のための加熱装置としてパネルヒーター５を設置する（図中では、外側の断熱材４を、その下部の一部を省いて示している）。   The mold 3 is a steel mold. The steel mold 3 covers the entire column 2 of the concrete structure (excluding the upper part). Panel heaters 5 are installed as heating devices for heat curing on the four surfaces in the vicinity of the column bases of the steel mold 3 (in the drawing, the outer heat insulating material 4 is omitted from a part of the lower part thereof. Shown).

前記パネルヒーター５は、例えばサーモスタットにより、電源のＯＮ／ＯＦＦが制御可能なものである。前記パネルヒーター５は、制御装置６に電気的に接続されている。前記鋼製型枠３の外側表面には、発泡ポリスチレンフォーム製の断熱材（厚さｔ＝１５０ｍｍ）４を設置する。ただし、前記柱脚付近にはパネルヒーター５が貼着されているので、図２（Ｃ）に示すように、該パネルヒーター５の上から厚さを調節して、当該断熱材４を設置する。   The panel heater 5 can control ON / OFF of a power source by, for example, a thermostat. The panel heater 5 is electrically connected to the control device 6. A heat insulating material (thickness t = 150 mm) 4 made of expanded polystyrene foam is installed on the outer surface of the steel mold 3. However, since the panel heater 5 is affixed in the vicinity of the column base, as shown in FIG. 2C, the thickness is adjusted from above the panel heater 5 to install the heat insulating material 4. .

前記断熱材４は、図２（Ａ）に示すように、柱用コンクリートの鋼製型枠３内への打ち込み完了後の柱天端にも設置される。図１に示すように、柱主筋２ａは、前記柱天端の断熱材４を貫通させる。柱２の上部に突出する前記柱主筋２ａの全部には、適宜な保温材を個々に巻き付けるものである。   As shown in FIG. 2 (A), the heat insulating material 4 is also installed at the top of the column after completion of driving the column concrete into the steel mold 3. As shown in FIG. 1, the column main reinforcement 2a penetrates the heat insulating material 4 at the column top end. Appropriate heat insulating materials are individually wound around all the pillar main bars 2a protruding from the upper part of the pillar 2.

また、図１と図２（Ａ）とに示すように、前記柱主筋２ａの全体を包むようにして、断熱シート４ａで覆う。この断熱シート４ａの、鋼製型枠３を被覆する部分の開口部は、図１に示すように、紐などで縛って密閉する。   Moreover, as shown in FIG. 1 and FIG. 2 (A), it covers with the heat insulation sheet | seat 4a so that the said column main reinforcement 2a may be wrapped. As shown in FIG. 1, the opening of the heat insulating sheet 4 a that covers the steel mold 3 is sealed with a string or the like.

このようにして、図２（Ａ）〜（Ｃ）に示すように、実構成部材である柱２の全体を断熱材４、断熱シート４ａなどで覆って、以下、図６に示すように加熱養生する。かかる養生において、例えば、コンクリート打設時の予想平均気温が２７℃以下の場合は、図１に示すように、前記断熱シート４ａ内をヒーター５ａで加熱する。   In this way, as shown in FIGS. 2A to 2C, the entire pillar 2 as an actual constituent member is covered with the heat insulating material 4, the heat insulating sheet 4 a, and the like, and then heated as shown in FIG. 6. Take care. In such curing, for example, when the expected average temperature at the time of placing concrete is 27 ° C. or lower, the inside of the heat insulating sheet 4a is heated by the heater 5a as shown in FIG.

前記柱脚付近の４面に設置したパネルヒーター５による加熱養生は、図１と図２（Ｃ）に示すように、温度センサー７によるコンクリート内温度管理位置の温度が、鋼製型枠３内に打設したコンクリートの凝結反応に伴って、「外気温＋１５℃以上」になった時点から開始する。前記温度センサー７によるコンクリート内温度管理位置は、図１および図２（Ｃ）に示すように、柱下端レベルから＋５０ｍｍ、柱表面からＸ，Ｙ方向とも５０ｍｍの深さの地点である。   As shown in FIG. 1 and FIG. 2 (C), the heat curing by the panel heater 5 installed on the four surfaces in the vicinity of the column base is such that the temperature in the concrete temperature management position by the temperature sensor 7 is within the steel mold 3. It starts from the time when it becomes “outside air temperature + 15 ° C. or higher” with the setting reaction of the concrete placed in As shown in FIGS. 1 and 2C, the temperature control position in the concrete by the temperature sensor 7 is a point having a depth of +50 mm from the bottom end level of the column and 50 mm from the column surface in both the X and Y directions.

前記パネルヒーター５は、前記温度センサー７による前記コンクリート内温度管理位置の温度が、「コンクリート温度８３℃」を境界値として、電源がＯＮ／ＯＦＦするようなサーモスタットにより制御装置６を介して制御し、８０℃以上のコンクリート部材温度を７２時間以上継続する。   The panel heater 5 is controlled via the control device 6 by a thermostat that turns on / off the power at the temperature control position in the concrete by the temperature sensor 7 with a “concrete temperature of 83 ° C.” as a boundary value. The concrete member temperature of 80 ° C. or higher is continued for 72 hours or longer.

前記８０℃以上のコンクリート部材温度を７２時間以上継続した後、加熱養生を停止する。その後も保温養生は継続させて、コンクリートの部材温度が緩やかに低下することを確認する。なお、万が一の停電に備えてジェネレータ（図示せず）を準備しておくのが好ましいものである。   After the concrete member temperature of 80 ° C. or higher is continued for 72 hours or longer, the heat curing is stopped. After that, heat insulation curing is continued and it is confirmed that the concrete member temperature gradually decreases. It is preferable to prepare a generator (not shown) in case of a power failure.

次に、図５の図中右側に示す、模擬部材８側の養生装置について説明する。図３および図４（Ａ），（Ｂ）に示すように、前記柱２と同じ断面形状の大きさで、高さが１ｍ程度の柱である模擬部材８の全体を構成型枠３で囲繞する。この模擬部材８の上下面には、断熱材４が被覆されている。加熱装置として、鋼製型枠３の外表面にパネルヒーター５が、図示するように、一側面に２枚にして貼着される。   Next, the curing device on the simulated member 8 side shown on the right side in FIG. 5 will be described. As shown in FIG. 3 and FIGS. 4A and 4B, the entire simulated member 8 which is a column having the same cross-sectional size as that of the column 2 and a height of about 1 m is surrounded by the component mold 3. To do. The upper and lower surfaces of the simulation member 8 are covered with a heat insulating material 4. As a heating device, a panel heater 5 is attached to the outer surface of the steel mold 3 in two sheets on one side as shown in the figure.

また、この模擬部材８側では、高さ５００ｍｍで柱表面からＸ，Ｙ方向とも５０ｍｍの深さの地点が温度センサー７による温度管理位置であり、そこに前記温度センサー７の一端部が埋設されて、他端部から信号線が配線され制御装置６に接続されて、模擬部材８のコンクリート温度が制御装置６に伝達される。   On the simulated member 8 side, the temperature management position by the temperature sensor 7 is a point having a height of 500 mm and a depth of 50 mm in both the X and Y directions from the column surface, and one end of the temperature sensor 7 is embedded therein. Then, a signal line is wired from the other end and connected to the control device 6, and the concrete temperature of the simulated member 8 is transmitted to the control device 6.

前記鋼製型枠３の外側に、断熱シート４ａが全体を包むようにして被覆される。そして、前記制御装置６により、前記実構成部材２の温度履歴に従って前記模擬部材８を加熱養生するものである。   The heat insulating sheet 4a is covered on the outside of the steel mold 3 so as to wrap the whole. Then, the simulation member 8 is heated and cured according to the temperature history of the actual component 2 by the control device 6.

このように、本発明に係るコンクリート強度管理装置１を形成し、実構成部材２の温度履歴の通りに制御装置６によって模擬部材８を養生して、前記模擬部材８を実構成部材２と同じ養生条件にしてコンクリート強度を発現させる。   In this way, the concrete strength management device 1 according to the present invention is formed, the simulated member 8 is cured by the control device 6 according to the temperature history of the actual component 2, and the simulated member 8 is the same as the actual component 2. The concrete strength is expressed under curing conditions.

従って、前記実構成部材２と模擬部材８との温度履歴が同じとなって、コンクリート強度が等しくなり、強度補正が不要となるものである。このことは、図７〜図８に示すように、コア強度の相関関係を示すもので、養生温度が確保されるとコア発現強度が確保される。コア加熱養生・断熱養生により、材齢も２８日強度で示される強度が、その後の経過においても、ほぼ一定である。また、加熱１ｍ柱と実物大の柱のコア強度とも、強度がほぼ一致しており、高い相関関係を示している。   Therefore, the temperature histories of the actual component 2 and the simulated member 8 are the same, the concrete strength is equal, and no strength correction is required. This shows the correlation between the core strengths as shown in FIGS. 7 to 8, and when the curing temperature is secured, the core expression strength is secured. The strength indicated by the 28-day strength by the core heat curing / thermal insulation curing is substantially constant in the subsequent course. In addition, the core strengths of the heated 1 m pillar and the full-size pillar are almost the same, indicating a high correlation.

よって、模擬部材８のコンクリート強度を強度試験機で検査することで、設計基準強度Ｆｃ＝２００Ｎ／mm２級のコンクリート構造体のコンクリート強度が直ちに判るものである。 Therefore, by checking the concrete strength of the simulation member 8 with a strength tester, the concrete strength of the concrete structure having the design standard strength Fc = 200 N / mm 2 class can be immediately determined.

本発明に係るコンクリート構造体のコンクリート強度管理方法とその管理装置における技術的思想は、コンクリート強度管理方法だけに限らず、対象物として大きな物体の一部を供試体として試験する、強度・粘度・耐久性などの試験方法の全般に適用できるものである。   The technical idea in the concrete strength management method and the management apparatus for the concrete structure according to the present invention is not limited to the concrete strength management method, and tests a part of a large object as an object as a test specimen. It can be applied to test methods such as durability.

１ コンクリート構造体のコンクリート強度管理装置、
２ 実構成部材、 ２ａ 柱主筋、
３ 鋼製型枠、
４ 断熱材、 ４ａ 断熱シート、
５ パネルヒーター、 ５ａ ヒーター、
６ 制御装置、
７ 温度センサー、
８ 模擬部材。 1 Concrete strength management device for concrete structures,
2 actual components, 2a column main reinforcement,
3 Steel formwork,
4 heat insulation material, 4a heat insulation sheet,
5 Panel heater, 5a heater,
6 Control device,
7 Temperature sensor,
8 Simulated member.

Claims (4)

コンクリート構造体におけるコンクリート強度を管理する装置であって、
建設現場でコンクリート打設されて形成される構造体の実構成部材を囲繞する型枠と、
前記型枠および型枠から突出した前記実構成部材の一部を囲繞する断熱材と、
前記型枠に設けられ温度管理用に制御装置に接続されて使用される加熱装置と、
前記型枠内の温度を検知するため前記型枠内に設置されるとともに制御装置に接続される温度センサーと、
前記加熱装置と前記温度センサーとに接続され実構成部材の温度履歴を管理する制御装置と、
模擬部材を囲繞する型枠と、
前記模擬部材用の型枠を囲繞する断熱材と、
前記模擬部材用の型枠に貼着されるとともに前記制御装置に接続される加熱装置と、
前記模擬部材の温度を検知するために当該模擬部材の中に一部が埋設されるとともに前記制御装置に接続される温度センサーとから構成され、
前記実構成部材の温度履歴に従って前記制御装置により前記模擬部材を養生すること、
を特徴とするコンクリート構造体のコンクリート強度管理装置。 A device for managing concrete strength in a concrete structure,
A formwork that surrounds the actual structural member of the structure formed by placing the concrete at the construction site;
A heat insulating material surrounding the mold and a part of the actual constituent member protruding from the mold;
A heating device provided in the mold and connected to a control device for temperature management; and
A temperature sensor installed in the mold and connected to a control device to detect the temperature in the mold;
A control device connected to the heating device and the temperature sensor to manage the temperature history of the actual component;
A mold that surrounds the simulated member;
A heat insulating material surrounding the mold for the simulated member;
A heating device which is attached to the mold for the simulated member and connected to the control device;
In order to detect the temperature of the simulation member, a part of the simulation member is embedded and a temperature sensor connected to the control device,
Curing the simulated member by the control device according to the temperature history of the actual component;
A concrete strength management device for a concrete structure. 加熱装置は、高温養生が可能となるパネルヒーターであること、
を特徴とする請求項１に記載のコンクリート構造体のコンクリート強度管理装置。 The heating device is a panel heater that enables high-temperature curing,
The concrete strength management device for a concrete structure according to claim 1. 実構成部材は、梁型枠およびスラブ型枠が柱梁接合部に設置されていない状態の柱部材であること、
を特徴とする請求項１または２に記載のコンクリート構造体のコンクリート強度管理装置。 The actual component member is a column member in which the beam formwork and the slab formwork are not installed at the beam-column joint,
The concrete strength management device for a concrete structure according to claim 1 or 2. 請求項１〜請求項３のいずれか１項に記載のコンクリート強度管理装置を形成し、
実構成部材の温度履歴の通りに制御装置によって模擬部材を養生して、前記模擬部材を実構成部材と同じ養生条件にしてコンクリート強度を発現させること、
を特徴とするコンクリート構造体のコンクリート強度管理方法。 Forming the concrete strength management device according to any one of claims 1 to 3,
Curing the simulated member by the control device according to the temperature history of the actual component, and making the simulated member have the same curing conditions as the actual component to develop concrete strength,
A concrete strength management method for a concrete structure characterized by the following.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106893675A (en) * 2017-03-16 2017-06-27 河南工业大学 Acceleration reaction unit of the mould on the durability influence of concrete in a kind of simulation silo
CN108983841A (en) * 2018-08-15 2018-12-11 中国三峡建设管理有限公司 Temperature-controlled appliance and method
JP2019178868A (en) * 2018-03-30 2019-10-17 前田建設工業株式会社 Curing management method of concrete structure
CN112710816A (en) * 2020-12-15 2021-04-27 江苏中鼎建材集团有限公司 Concrete test device based on regeneration technology reinforcing is toughened

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61178036A (en) * 1985-02-04 1986-08-09 Mitsuo Sohgoh Kenkyusho Kk Treatment of substance
JPH02300662A (en) * 1989-05-15 1990-12-12 Shimizu Corp Method and device for controlling strength of concrete
JPH03212568A (en) * 1990-01-17 1991-09-18 Mitsubishi Kasei Corp Reinforcing method for structural member made of concrete
JPH08152386A (en) * 1994-11-29 1996-06-11 Katsumura Kensetsu Kk Method and apparatus for manufacturing test piece of concrete structure
JP2004060173A (en) * 2002-07-25 2004-02-26 Taisei Corp Strength increasing method for high-strength concrete structure
JP2008254254A (en) * 2007-04-03 2008-10-23 Fujita Corp Method for manufacturing creep distortion reduction type reinforced concrete column member
US20100000346A1 (en) * 2006-09-21 2010-01-07 Armin Just Air-curing expanded concrete composed of binder-containing mixtures
JP2010264734A (en) * 2009-05-12 2010-11-25 Tadahiko Murakami Concrete curing management device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61178036A (en) * 1985-02-04 1986-08-09 Mitsuo Sohgoh Kenkyusho Kk Treatment of substance
JPH02300662A (en) * 1989-05-15 1990-12-12 Shimizu Corp Method and device for controlling strength of concrete
JPH03212568A (en) * 1990-01-17 1991-09-18 Mitsubishi Kasei Corp Reinforcing method for structural member made of concrete
JPH08152386A (en) * 1994-11-29 1996-06-11 Katsumura Kensetsu Kk Method and apparatus for manufacturing test piece of concrete structure
JP2004060173A (en) * 2002-07-25 2004-02-26 Taisei Corp Strength increasing method for high-strength concrete structure
US20100000346A1 (en) * 2006-09-21 2010-01-07 Armin Just Air-curing expanded concrete composed of binder-containing mixtures
JP2008254254A (en) * 2007-04-03 2008-10-23 Fujita Corp Method for manufacturing creep distortion reduction type reinforced concrete column member
JP2010264734A (en) * 2009-05-12 2010-11-25 Tadahiko Murakami Concrete curing management device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106893675A (en) * 2017-03-16 2017-06-27 河南工业大学 Acceleration reaction unit of the mould on the durability influence of concrete in a kind of simulation silo
JP2019178868A (en) * 2018-03-30 2019-10-17 前田建設工業株式会社 Curing management method of concrete structure
JP7016754B2 (en) 2018-03-30 2022-02-07 前田建設工業株式会社 Curing management method for concrete structures
CN108983841A (en) * 2018-08-15 2018-12-11 中国三峡建设管理有限公司 Temperature-controlled appliance and method
CN108983841B (en) * 2018-08-15 2024-05-14 中国三峡建设管理有限公司 Temperature control apparatus and method
CN112710816A (en) * 2020-12-15 2021-04-27 江苏中鼎建材集团有限公司 Concrete test device based on regeneration technology reinforcing is toughened
CN112710816B (en) * 2020-12-15 2022-12-30 江苏中鼎建材集团有限公司 Concrete test device based on regeneration technology reinforcing is toughened

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